Stock air intake on a 2K Tahoe
I didn't see a Tahoe specific forum so I figured this would work. If I missed it sorry. I just picked up my 2K Tahoe last month. This is the first Chevy truck I've owned (I'm really liking it too). In looking under the hood I have a question about the configuration of the air intake tube. It flattens out and extends over the radiator shroud. I assume that is to compensate for the narrowing of the tube so it can pass behind the shroud. Between the wide/flat section and the air box it also extends down quite a bit where it has a larger compartment on it. Did that make sense? If it did, can anyone tell me what the point of this downward extension of the air intake tube does?
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RE: Stock air intake on a 2K Tahoe
So far there have been several ideas on what it is but most agree it is just a "silencer" for the intake to help minimize the sucking/whistleing sounds you get from a smooth and non-restrictive air intake. Not sure if you've ever had a vehicle with a cold air intake but if you have I'm sure you now understand. Most people would deem that sound "annoying" while gear heads enjoy it. A lot of people have removed it and put a spray paint cap over where it goes and clamped it down onto it. I haven't done this because I can't really see it creating any improvements other than the sucking sound.;)
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RE: Stock air intake on a 2K Tahoe
Thanks for the feedback. I had an AirRaid CAI on my 2K Durango so I think I know what you're talking about. It gave me a 2 mpg boost and a little bit better throttle response. The AirRaid for the 2K Tahoe looks more restrictive than the K&N model. I think I'll likely put a K&N on the 'Ho.
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RE: Stock air intake on a 2K Tahoe
Sounds like a plan. They aren't cheap though. I think the best price I've seen has been on Summit Racing.
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RE: Stock air intake on a 2K Tahoe
Thanks. From what I've seen they run around 230 +/-. I have a friend up the street who owns a stereo shop, he also sells performance parts. He got me an AirRaid for my 2K Durago for the same price as the cheapest I could find online, I paid no shipping, and I kept my $ local. The Durango was totaled last month, I replaced it with the Tahoe. I took the AirRaid off before they hauled it away. I'll sell it and put whatever I get out of it towards the K&N.
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RE: Stock air intake on a 2K Tahoe
Check out the S&B intakes.
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RE: Stock air intake on a 2K Tahoe
Or just do the free mod...
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RE: Stock air intake on a 2K Tahoe
If your going to go with K&N don't get the 77 series unless you want your engine bay to look good the aluminum tube gets too hot you will get better gains with the fipk plastic tube.
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RE: Stock air intake on a 2K Tahoe
I agree with ito707. Aluminum will heat up quick and stay hot. Its not detrimental cause the air usually passes thru it pretty quick but the "off-idle" response will suffer.
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RE: Stock air intake on a 2K Tahoe
In looking at the K&N predicitions the HP gain on the 77 series is a little lower, I imagine it's because of the aluminum intake. Yeah, I'll go with the plastic tube if I go K&N. I'll take a look at the S&B's right now. Thanks.
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